Foundations of exercise physiology 23.09.24 Flashcards

1
Q

What are the 5 levels of the body? How is the body organised.

A

Chemical
Cellular
Tissue
Organ
System

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2
Q

What does the chemical level consist of?

A

118 known elements

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3
Q

How Many elements are found naturally?

A

94

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4
Q

What is the role of the cellular level?

A

Basic building block
Smallest structural unit

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5
Q

What is a tissue?

A

Similar cells grouped together

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6
Q

What are the 4 types of tissue?

A

Epithelial
Connective
Muscular
Nervous

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7
Q

What is on the organ level?

A

Structures of two or more tissues
Specific function and shape

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8
Q

What is the System level?

A

Related organs
common functions
organs can be part off more than one system

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9
Q

What are basic life processes?

A

Processes that distinguish living and non-living things

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10
Q

What is metabolism?

A

sum of chemical processes in order to maintain life

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11
Q

what are the 2 components of metabolism?

A

Anabolic
Catabolic

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12
Q

Define anabolic

A

Helping to build up

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13
Q

Define catabolic

A

to break something down

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14
Q

Define responsiveness

A

to detect and respond to change

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15
Q

Define growth

A

an increase in body size

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16
Q

Define hyperplasia (growth)

A

New cells

17
Q

Define Hypertrophy (growth)

A

Increasing cell size

18
Q

Define Accretion (growth)

A

Increase in layers within a cell

19
Q

Define differentiation

A

cells develop from unspecialised to specialised (stem)

20
Q

Define movement/ transport

A

“in motion”

21
Q

Define reproduction

A

New life
Growth and replacement

22
Q

Define Mass

A

Amount of matter in an object

23
Q

Unit for mass?

A

Grams (g) or Kilograms (Kg)

24
Q

Define weight

A

sum of mass and gravitational attention of the earth

25
Q

What is weight measured in?

A

Newtons (N)

26
Q

Define density

A

mass per unit of material substance

27
Q

What is Density measured in?

A

Mass/volume eg. g/cm3

28
Q

What is in the atomic structure?

A

Protons
Neutrons
Electrons

29
Q

What charge does a proton have?

A

Positive

30
Q

What charge does an Electron have?

A

Negative

31
Q

What is a molecule?

A

Two or more atoms bonded together chemically, either of the same (diatomic) or different elements (polyatomic)

32
Q

What does diatomic mean?

A

Two or more atoms of the same element

33
Q

What does polyatomic mean?

A

two or more atoms of different elements

34
Q

What is a compound?

A

type of molecule consisting of 2 or more different elements

35
Q

What is an Anion?

A

a negative charge as a result of gaining or losing an electron

36
Q
A
37
Q
A
38
Q

What can antioxidants do?

A

Can reduce free radicals